<p>myc07-switch works!</p>

<div [ngSwitch]="useLevel">
  <p *ngSwitchCase="'normal'">欢迎您</p>
  <div *ngSwitchCase="'vip'">欢迎贵宾</div>
  <h3 *ngSwitchCase="'blackGold'">哥哥你好</h3>
  <span *ngSwitchDefault>滚</span>
</div>

<button value="normal">普通用户</button>
<button value="vip">vip</button>
<button value="blackGold">black gold</button>
<button value="">游客</button>
